Home / 905,661.03-1,249,825.16-497,800.58

Finding the Fourth Proportional to 905,661.03, 1,249,825.16 and 497,800.58

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Solution

The fourth proportional to 905,661.03, 1,249,825.16 and 497,800.58 is: 686,971.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,661.03 : 1,249,825.16 = 497,800.58 : x
  2. Step 2: Convert to fraction form
    905,661.03/1,249,825.16 = 497,800.58/x
  3. Step 3: Cross multiply
    905,661.03x = 1,249,825.16 × 497,800.58
  4. Step 4: Simplify right side
    905,661.03x = 622,163,687,057.59
  5. Step 5: Solve for x
    x = 622,163,687,057.59/905,661.03
  6. Step 6: Final answer
    x = 686,971.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.